I enclosed all logs from the run and for this run I used parallelism one. However, for other runs I checked and found that all parallel workers were working properly. Is there a simple way to get profiling information in Flink?

Best,

Habib

On 10/31/2019 2:54 AM, Zhenghua Gao wrote:
I think more runtime information would help figure outwheretheproblem is.
1) how many parallelisms actually working
2) the metrics for each operator
3) the jvm profiling information, etc

*Best Regards,*
*Zhenghua Gao*


On Wed, Oct 30, 2019 at 8:25 PM Habib Mostafaei <ha...@inet.tu-berlin.de <mailto:ha...@inet.tu-berlin.de>> wrote:

    Thanks Gao for the reply. I used the parallelism parameter with
    different values like 6 and 8 but still the execution time is not
    comparable with a single threaded python script. What would be the
    reasonable value for the parallelism?

    Best,

    Habib

    On 10/30/2019 1:17 PM, Zhenghua Gao wrote:
    The reason might be the parallelism of your task is only 1,
    that's too low.
    See [1] to specify proper parallelism  for your job, and the
    execution time should be reduced significantly.

    [1]
    https://ci.apache.org/projects/flink/flink-docs-stable/dev/parallel.html

    *Best Regards,*
    *Zhenghua Gao*


    On Tue, Oct 29, 2019 at 9:27 PM Habib Mostafaei
    <ha...@inet.tu-berlin.de <mailto:ha...@inet.tu-berlin.de>> wrote:

        Hi all,

        I am running Flink on a standalone cluster and getting very long
        execution time for the streaming queries like WordCount for a
        fixed text
        file. My VM runs on a Debian 10 with 16 cpu cores and 32GB of
        RAM. I
        have a text file with size of 2GB. When I run the Flink on a
        standalone
        cluster, i.e., one JobManager and one taskManager with 25GB
        of heapsize,
        it took around two hours to finish counting this file while a
        simple
        python script can do it in around 7 minutes. Just wondering
        what is
        wrong with my setup. I ran the experiments on a cluster with six
        taskManagers, but I still get very long execution time like
        25 minutes
        or so. I tried to increase the JVM heap size to have lower
        execution
        time but it did not help. I attached the log file and the Flink
        configuration file to this email.

        Best,

        Habib


2019-10-30 15:59:47,117 INFO  org.apache.flink.client.cli.CliFrontend           
            - 
--------------------------------------------------------------------------------
2019-10-30 15:59:47,121 INFO  org.apache.flink.client.cli.CliFrontend           
            -  Starting Command Line Client (Version: 1.8.2, Rev:6322618, 
Date:04.09.2019 @ 22:07:41 CST)
2019-10-30 15:59:47,121 INFO  org.apache.flink.client.cli.CliFrontend           
            -  OS current user: xxx
2019-10-30 15:59:47,122 INFO  org.apache.flink.client.cli.CliFrontend           
            -  Current Hadoop/Kerberos user: <no hadoop dependency found>
2019-10-30 15:59:47,122 INFO  org.apache.flink.client.cli.CliFrontend           
            -  JVM: OpenJDK 64-Bit Server VM - AdoptOpenJDK - 1.8/25.232-b09
2019-10-30 15:59:47,123 INFO  org.apache.flink.client.cli.CliFrontend           
            -  Maximum heap size: 7143 MiBytes
2019-10-30 15:59:47,123 INFO  org.apache.flink.client.cli.CliFrontend           
            -  JAVA_HOME: /usr/lib/jvm/adoptopenjdk-8-hotspot-amd64/
2019-10-30 15:59:47,124 INFO  org.apache.flink.client.cli.CliFrontend           
            -  No Hadoop Dependency available
2019-10-30 15:59:47,124 INFO  org.apache.flink.client.cli.CliFrontend           
            -  JVM Options:
2019-10-30 15:59:47,124 INFO  org.apache.flink.client.cli.CliFrontend           
            -     -Dlog.file=/home/xxx/flink-1.8.2/log/flink-xxx-client-xxx.log
2019-10-30 15:59:47,125 INFO  org.apache.flink.client.cli.CliFrontend           
            -     
-Dlog4j.configuration=file:/home/xxx/flink-1.8.2/conf/log4j-cli.properties
2019-10-30 15:59:47,125 INFO  org.apache.flink.client.cli.CliFrontend           
            -     
-Dlogback.configurationFile=file:/home/xxx/flink-1.8.2/conf/logback.xml
2019-10-30 15:59:47,125 INFO  org.apache.flink.client.cli.CliFrontend           
            -  Program Arguments:
2019-10-30 15:59:47,126 INFO  org.apache.flink.client.cli.CliFrontend           
            -     run
2019-10-30 15:59:47,126 INFO  org.apache.flink.client.cli.CliFrontend           
            -     examples/streaming/WordCount.jar
2019-10-30 15:59:47,126 INFO  org.apache.flink.client.cli.CliFrontend           
            -     --input
2019-10-30 15:59:47,127 INFO  org.apache.flink.client.cli.CliFrontend           
            -     ../test.txt
2019-10-30 15:59:47,127 INFO  org.apache.flink.client.cli.CliFrontend           
            -  Classpath: 
/home/xxx/flink-1.8.2/lib/log4j-1.2.17.jar:/home/xxx/flink-1.8.2/lib/slf4j-log4j12-1.7.15.jar:/home/xxx/flink-1.8.2/lib/flink-dist_2.12-1.8.2.jar:::
2019-10-30 15:59:47,127 INFO  org.apache.flink.client.cli.CliFrontend           
            - 
--------------------------------------------------------------------------------
2019-10-30 15:59:47,144 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: jobmanager.rpc.address, localhost
2019-10-30 15:59:47,145 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: jobmanager.rpc.port, 6123
2019-10-30 15:59:47,145 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: jobmanager.heap.size, 25000m
2019-10-30 15:59:47,146 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: taskmanager.heap.size, 25000m
2019-10-30 15:59:47,146 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: taskmanager.numberOfTaskSlots, 1
2019-10-30 15:59:47,147 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: parallelism.default, 1
2019-10-30 15:59:47,160 WARN  org.apache.flink.client.cli.CliFrontend           
            - Could not load CLI class 
org.apache.flink.yarn.cli.FlinkYarnSessionCli.
java.lang.NoClassDefFoundError: org/apache/hadoop/yarn/exceptions/YarnException
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:264)
        at 
org.apache.flink.client.cli.CliFrontend.loadCustomCommandLine(CliFrontend.java:1230)
        at 
org.apache.flink.client.cli.CliFrontend.loadCustomCommandLines(CliFrontend.java:1190)
        at org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:1115)
Caused by: java.lang.ClassNotFoundException: 
org.apache.hadoop.yarn.exceptions.YarnException
        at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
        ... 5 more
2019-10-30 15:59:47,184 INFO  org.apache.flink.core.fs.FileSystem               
            - Hadoop is not in the classpath/dependencies. The extended set of 
supported File Systems via Hadoop is not available.
2019-10-30 15:59:48,640 INFO  
org.apache.flink.runtime.security.modules.HadoopModuleFactory  - Cannot create 
Hadoop Security Module because Hadoop cannot be found in the Classpath.
2019-10-30 15:59:48,695 INFO  org.apache.flink.runtime.security.SecurityUtils   
            - Cannot install HadoopSecurityContext because Hadoop cannot be 
found in the Classpath.
2019-10-30 15:59:48,697 INFO  org.apache.flink.client.cli.CliFrontend           
            - Running 'run' command.
2019-10-30 15:59:48,709 INFO  org.apache.flink.client.cli.CliFrontend           
            - Building program from JAR file
2019-10-30 15:59:48,808 INFO  org.apache.flink.configuration.Configuration      
            - Config uses fallback configuration key 'jobmanager.rpc.address' 
instead of key 'rest.address'
2019-10-30 15:59:49,311 INFO  org.apache.flink.runtime.rest.RestClient          
            - Rest client endpoint started.
2019-10-30 15:59:49,318 INFO  org.apache.flink.client.cli.CliFrontend           
            - Starting execution of program
2019-10-30 15:59:49,319 INFO  
org.apache.flink.client.program.rest.RestClusterClient        - Starting 
program in interactive mode (detached: false)
2019-10-30 15:59:49,370 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: jobmanager.rpc.address, localhost
2019-10-30 15:59:49,370 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: jobmanager.rpc.port, 6123
2019-10-30 15:59:49,371 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: jobmanager.heap.size, 25000m
2019-10-30 15:59:49,371 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: taskmanager.heap.size, 25000m
2019-10-30 15:59:49,372 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: taskmanager.numberOfTaskSlots, 1
2019-10-30 15:59:49,372 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: parallelism.default, 1
2019-10-30 15:59:49,389 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: jobmanager.rpc.address, localhost
2019-10-30 15:59:49,390 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: jobmanager.rpc.port, 6123
2019-10-30 15:59:49,390 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: jobmanager.heap.size, 25000m
2019-10-30 15:59:49,391 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: taskmanager.heap.size, 25000m
2019-10-30 15:59:49,391 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: taskmanager.numberOfTaskSlots, 1
2019-10-30 15:59:49,391 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: parallelism.default, 1
2019-10-30 15:59:49,466 INFO  org.apache.flink.api.java.typeutils.TypeExtractor 
            - class 
org.apache.flink.streaming.api.functions.source.TimestampedFileInputSplit does 
not contain a setter for field modificationTime
2019-10-30 15:59:49,467 INFO  org.apache.flink.api.java.typeutils.TypeExtractor 
            - Class class 
org.apache.flink.streaming.api.functions.source.TimestampedFileInputSplit 
cannot be used as a POJO type because not all fields are valid POJO fields, and 
must be processed as GenericType. Please read the Flink documentation on "Data 
Types & Serialization" for details of the effect on performance.
2019-10-30 15:59:49,827 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: jobmanager.rpc.address, localhost
2019-10-30 15:59:49,827 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: jobmanager.rpc.port, 6123
2019-10-30 15:59:49,827 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: jobmanager.heap.size, 25000m
2019-10-30 15:59:49,828 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: taskmanager.heap.size, 25000m
2019-10-30 15:59:49,828 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: taskmanager.numberOfTaskSlots, 1
2019-10-30 15:59:49,829 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: parallelism.default, 1
2019-10-30 15:59:49,834 INFO  
org.apache.flink.client.program.rest.RestClusterClient        - Submitting job 
7cde77256615ceb13a1e74010af21c49 (detached: false).
2019-10-30 17:45:11,942 INFO  org.apache.flink.client.cli.CliFrontend           
            - Program execution finished
2019-10-30 17:45:11,959 INFO  org.apache.flink.runtime.rest.RestClient          
            - Shutting down rest endpoint.
2019-10-30 17:45:11,963 INFO  org.apache.flink.runtime.rest.RestClient          
            - Rest endpoint shutdown complete.
2019-10-30 15:59:38,617 INFO  
org.apache.flink.runtime.entrypoint.ClusterEntrypoint         - 
--------------------------------------------------------------------------------
2019-10-30 15:59:38,620 INFO  
org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -  Starting 
StandaloneSessionClusterEntrypoint (Version: 1.8.2, Rev:6322618, 
Date:04.09.2019 @ 22:07:41 CST)
2019-10-30 15:59:38,621 INFO  
org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -  OS current 
user: xxx
2019-10-30 15:59:38,621 INFO  
org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -  Current 
Hadoop/Kerberos user: <no hadoop dependency found>
2019-10-30 15:59:38,622 INFO  
org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -  JVM: OpenJDK 
64-Bit Server VM - AdoptOpenJDK - 1.8/25.232-b09
2019-10-30 15:59:38,622 INFO  
org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -  Maximum heap 
size: 23958 MiBytes
2019-10-30 15:59:38,623 INFO  
org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -  JAVA_HOME: 
/usr/lib/jvm/adoptopenjdk-8-hotspot-amd64/
2019-10-30 15:59:38,623 INFO  
org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -  No Hadoop 
Dependency available
2019-10-30 15:59:38,623 INFO  
org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -  JVM Options:
2019-10-30 15:59:38,624 INFO  
org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -     -Xms25000m
2019-10-30 15:59:38,624 INFO  
org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -     -Xmx25000m
2019-10-30 15:59:38,625 INFO  
org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -     
-Dlog.file=/home/xxx/flink-1.8.2/log/flink-xxx-standalonesession-0-xxx.log
2019-10-30 15:59:38,625 INFO  
org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -     
-Dlog4j.configuration=file:/home/xxx/flink-1.8.2/conf/log4j.properties
2019-10-30 15:59:38,625 INFO  
org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -     
-Dlogback.configurationFile=file:/home/xxx/flink-1.8.2/conf/logback.xml
2019-10-30 15:59:38,626 INFO  
org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -  Program 
Arguments:
2019-10-30 15:59:38,626 INFO  
org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -     --configDir
2019-10-30 15:59:38,626 INFO  
org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -     
/home/xxx/flink-1.8.2/conf
2019-10-30 15:59:38,627 INFO  
org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -     
--executionMode
2019-10-30 15:59:38,627 INFO  
org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -     cluster
2019-10-30 15:59:38,627 INFO  
org.apache.flink.runtime.entrypoint.ClusterEntrypoint         -  Classpath: 
/home/xxx/flink-1.8.2/lib/log4j-1.2.17.jar:/home/xxx/flink-1.8.2/lib/slf4j-log4j12-1.7.15.jar:/home/xxx/flink-1.8.2/lib/flink-dist_2.12-1.8.2.jar:::
2019-10-30 15:59:38,628 INFO  
org.apache.flink.runtime.entrypoint.ClusterEntrypoint         - 
--------------------------------------------------------------------------------
2019-10-30 15:59:38,631 INFO  
org.apache.flink.runtime.entrypoint.ClusterEntrypoint         - Registered UNIX 
signal handlers for [TERM, HUP, INT]
2019-10-30 15:59:38,676 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: jobmanager.rpc.address, localhost
2019-10-30 15:59:38,677 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: jobmanager.rpc.port, 6123
2019-10-30 15:59:38,678 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: jobmanager.heap.size, 25000m
2019-10-30 15:59:38,678 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: taskmanager.heap.size, 25000m
2019-10-30 15:59:38,679 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: taskmanager.numberOfTaskSlots, 1
2019-10-30 15:59:38,679 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: parallelism.default, 1
2019-10-30 15:59:38,922 INFO  
org.apache.flink.runtime.entrypoint.ClusterEntrypoint         - Starting 
StandaloneSessionClusterEntrypoint.
2019-10-30 15:59:38,923 INFO  
org.apache.flink.runtime.entrypoint.ClusterEntrypoint         - Install default 
filesystem.
2019-10-30 15:59:38,937 INFO  org.apache.flink.core.fs.FileSystem               
            - Hadoop is not in the classpath/dependencies. The extended set of 
supported File Systems via Hadoop is not available.
2019-10-30 15:59:38,956 INFO  
org.apache.flink.runtime.entrypoint.ClusterEntrypoint         - Install 
security context.
2019-10-30 15:59:38,979 INFO  
org.apache.flink.runtime.security.modules.HadoopModuleFactory  - Cannot create 
Hadoop Security Module because Hadoop cannot be found in the Classpath.
2019-10-30 15:59:39,006 INFO  org.apache.flink.runtime.security.SecurityUtils   
            - Cannot install HadoopSecurityContext because Hadoop cannot be 
found in the Classpath.
2019-10-30 15:59:39,007 INFO  
org.apache.flink.runtime.entrypoint.ClusterEntrypoint         - Initializing 
cluster services.
2019-10-30 15:59:40,196 INFO  
org.apache.flink.runtime.rpc.akka.AkkaRpcServiceUtils         - Trying to start 
actor system at localhost:6123
2019-10-30 15:59:41,453 INFO  akka.event.slf4j.Slf4jLogger                      
            - Slf4jLogger started
2019-10-30 15:59:41,589 INFO  akka.remote.Remoting                              
            - Starting remoting
2019-10-30 15:59:41,983 INFO  akka.remote.Remoting                              
            - Remoting started; listening on addresses 
:[akka.tcp://flink@localhost:6123]
2019-10-30 15:59:42,039 INFO  
org.apache.flink.runtime.rpc.akka.AkkaRpcServiceUtils         - Actor system 
started at akka.tcp://flink@localhost:6123
2019-10-30 15:59:42,082 INFO  org.apache.flink.configuration.Configuration      
            - Config uses fallback configuration key 'jobmanager.rpc.address' 
instead of key 'rest.address'
2019-10-30 15:59:42,100 INFO  org.apache.flink.runtime.blob.BlobServer          
            - Created BLOB server storage directory 
/tmp/blobStore-19717373-736d-4713-a247-ca164826068f
2019-10-30 15:59:42,106 INFO  org.apache.flink.runtime.blob.BlobServer          
            - Started BLOB server at 0.0.0.0:42005 - max concurrent requests: 
50 - max backlog: 1000
2019-10-30 15:59:42,140 INFO  
org.apache.flink.runtime.metrics.MetricRegistryImpl           - No metrics 
reporter configured, no metrics will be exposed/reported.
2019-10-30 15:59:42,144 INFO  
org.apache.flink.runtime.entrypoint.ClusterEntrypoint         - Trying to start 
actor system at localhost:0
2019-10-30 15:59:42,210 INFO  akka.event.slf4j.Slf4jLogger                      
            - Slf4jLogger started
2019-10-30 15:59:42,239 INFO  akka.remote.Remoting                              
            - Starting remoting
2019-10-30 15:59:42,281 INFO  akka.remote.Remoting                              
            - Remoting started; listening on addresses 
:[akka.tcp://flink-metrics@localhost:33241]
2019-10-30 15:59:42,287 INFO  
org.apache.flink.runtime.entrypoint.ClusterEntrypoint         - Actor system 
started at akka.tcp://flink-metrics@localhost:33241
2019-10-30 15:59:42,298 INFO  
org.apache.flink.runtime.dispatcher.FileArchivedExecutionGraphStore  - 
Initializing FileArchivedExecutionGraphStore: Storage directory 
/tmp/executionGraphStore-cc382dd9-e716-433b-a241-c6e9672c7a5e, expiration time 
3600000, maximum cache size 52428800 bytes.
2019-10-30 15:59:42,366 INFO  org.apache.flink.runtime.blob.TransientBlobCache  
            - Created BLOB cache storage directory 
/tmp/blobStore-4b0a394a-0e2e-4006-b7a1-26c15e58919e
2019-10-30 15:59:42,414 INFO  org.apache.flink.configuration.Configuration      
            - Config uses fallback configuration key 'jobmanager.rpc.address' 
instead of key 'rest.address'
2019-10-30 15:59:42,417 WARN  
org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint    - Upload 
directory /tmp/flink-web-e190eefd-84a1-4ab7-a034-fd3e31708280/flink-web-upload 
does not exist, or has been deleted externally. Previously uploaded files are 
no longer available.
2019-10-30 15:59:42,419 INFO  
org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint    - Created 
directory /tmp/flink-web-e190eefd-84a1-4ab7-a034-fd3e31708280/flink-web-upload 
for file uploads.
2019-10-30 15:59:42,422 INFO  
org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint    - Starting rest 
endpoint.
2019-10-30 15:59:42,943 INFO  
org.apache.flink.runtime.webmonitor.WebMonitorUtils           - Determined 
location of main cluster component log file: 
/home/xxx/flink-1.8.2/log/flink-xxx-standalonesession-0-xxx.log
2019-10-30 15:59:42,943 INFO  
org.apache.flink.runtime.webmonitor.WebMonitorUtils           - Determined 
location of main cluster component stdout file: 
/home/xxx/flink-1.8.2/log/flink-xxx-standalonesession-0-xxx.out
2019-10-30 15:59:43,302 INFO  
org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint    - Rest endpoint 
listening at localhost:8081
2019-10-30 15:59:43,305 INFO  
org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint    - 
http://localhost:8081 was granted leadership with 
leaderSessionID=00000000-0000-0000-0000-000000000000
2019-10-30 15:59:43,305 INFO  
org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint    - Web frontend 
listening at http://localhost:8081.
2019-10-30 15:59:43,464 INFO  org.apache.flink.runtime.rpc.akka.AkkaRpcService  
            - Starting RPC endpoint for 
org.apache.flink.runtime.resourcemanager.StandaloneResourceManager at 
akka://flink/user/resourcemanager .
2019-10-30 15:59:43,519 INFO  org.apache.flink.runtime.rpc.akka.AkkaRpcService  
            - Starting RPC endpoint for 
org.apache.flink.runtime.dispatcher.StandaloneDispatcher at 
akka://flink/user/dispatcher .
2019-10-30 15:59:43,564 INFO  
org.apache.flink.runtime.resourcemanager.StandaloneResourceManager  - 
ResourceManager akka.tcp://flink@localhost:6123/user/resourcemanager was 
granted leadership with fencing token 00000000000000000000000000000000
2019-10-30 15:59:43,571 INFO  
org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager  - Starting 
the SlotManager.
2019-10-30 15:59:43,585 INFO  
org.apache.flink.runtime.dispatcher.StandaloneDispatcher      - Dispatcher 
akka.tcp://flink@localhost:6123/user/dispatcher was granted leadership with 
fencing token 00000000-0000-0000-0000-000000000000
2019-10-30 15:59:43,595 INFO  
org.apache.flink.runtime.dispatcher.StandaloneDispatcher      - Recovering all 
persisted jobs.
2019-10-30 15:59:47,248 INFO  
org.apache.flink.runtime.resourcemanager.StandaloneResourceManager  - Ignoring 
outdated TaskExecutorGateway connection.
2019-10-30 15:59:47,273 INFO  
org.apache.flink.runtime.resourcemanager.StandaloneResourceManager  - 
Registering TaskManager with ResourceID 5e3d3f309eedf96ec861de138c26e0ac 
(akka.tcp://flink@130.149.221.178:34019/user/taskmanager_0) at ResourceManager
2019-10-30 15:59:51,295 INFO  
org.apache.flink.runtime.dispatcher.StandaloneDispatcher      - Received 
JobGraph submission 7cde77256615ceb13a1e74010af21c49 (Streaming WordCount).
2019-10-30 15:59:51,296 INFO  
org.apache.flink.runtime.dispatcher.StandaloneDispatcher      - Submitting job 
7cde77256615ceb13a1e74010af21c49 (Streaming WordCount).
2019-10-30 15:59:51,337 INFO  org.apache.flink.runtime.rpc.akka.AkkaRpcService  
            - Starting RPC endpoint for 
org.apache.flink.runtime.jobmaster.JobMaster at akka://flink/user/jobmanager_0 .
2019-10-30 15:59:51,356 INFO  org.apache.flink.runtime.jobmaster.JobMaster      
            - Initializing job Streaming WordCount 
(7cde77256615ceb13a1e74010af21c49).
2019-10-30 15:59:51,385 INFO  org.apache.flink.runtime.jobmaster.JobMaster      
            - Using restart strategy NoRestartStrategy for Streaming WordCount 
(7cde77256615ceb13a1e74010af21c49).
2019-10-30 15:59:51,431 INFO  
org.apache.flink.runtime.executiongraph.ExecutionGraph        - Job recovers 
via failover strategy: full graph restart
2019-10-30 15:59:51,503 INFO  org.apache.flink.runtime.jobmaster.JobMaster      
            - Running initialization on master for job Streaming WordCount 
(7cde77256615ceb13a1e74010af21c49).
2019-10-30 15:59:51,503 INFO  org.apache.flink.runtime.jobmaster.JobMaster      
            - Successfully ran initialization on master in 0 ms.
2019-10-30 15:59:51,551 INFO  org.apache.flink.runtime.jobmaster.JobMaster      
            - No state backend has been configured, using default (Memory / 
JobManager) MemoryStateBackend (data in heap memory / checkpoints to 
JobManager) (checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, 
maxStateSize: 5242880)
2019-10-30 15:59:51,573 INFO  
org.apache.flink.runtime.jobmaster.JobManagerRunner           - JobManager 
runner for job Streaming WordCount (7cde77256615ceb13a1e74010af21c49) was 
granted leadership with session id 00000000-0000-0000-0000-000000000000 at 
akka.tcp://flink@localhost:6123/user/jobmanager_0.
2019-10-30 15:59:51,580 INFO  org.apache.flink.runtime.jobmaster.JobMaster      
            - Starting execution of job Streaming WordCount 
(7cde77256615ceb13a1e74010af21c49) under job master id 
00000000000000000000000000000000.
2019-10-30 15:59:51,583 INFO  
org.apache.flink.runtime.executiongraph.ExecutionGraph        - Job Streaming 
WordCount (7cde77256615ceb13a1e74010af21c49) switched from state CREATED to 
RUNNING.
2019-10-30 15:59:51,590 INFO  
org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source: Custom 
File Source (1/1) (d50e407f6c4eb1a68684062a4f07517b) switched from CREATED to 
SCHEDULED.
2019-10-30 15:59:51,618 INFO  
org.apache.flink.runtime.jobmaster.slotpool.SlotPoolImpl      - Cannot serve 
slot request, no ResourceManager connected. Adding as pending request 
[SlotRequestId{60266822abf4236d8e336ced6ccb93c1}]
2019-10-30 15:59:51,631 INFO  
org.apache.flink.runtime.executiongraph.ExecutionGraph        - Split Reader: 
Custom File Source -> Flat Map (1/1) (6a17c410c3e36f524bb774d2dffed4a4) 
switched from CREATED to SCHEDULED.
2019-10-30 15:59:51,633 INFO  
org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed 
Aggregation -> Sink: Print to Std. Out (1/1) (016f9ff69941a26f8e2c4664cadc6b43) 
switched from CREATED to SCHEDULED.
2019-10-30 15:59:51,638 INFO  org.apache.flink.runtime.jobmaster.JobMaster      
            - Connecting to ResourceManager 
akka.tcp://flink@localhost:6123/user/resourcemanager(00000000000000000000000000000000)
2019-10-30 15:59:51,647 INFO  org.apache.flink.runtime.jobmaster.JobMaster      
            - Resolved ResourceManager address, beginning registration
2019-10-30 15:59:51,647 INFO  org.apache.flink.runtime.jobmaster.JobMaster      
            - Registration at ResourceManager attempt 1 (timeout=100ms)
2019-10-30 15:59:51,651 INFO  
org.apache.flink.runtime.resourcemanager.StandaloneResourceManager  - 
Registering job manager 
00000000000000000000000000000...@akka.tcp://flink@localhost:6123/user/jobmanager_0
 for job 7cde77256615ceb13a1e74010af21c49.
2019-10-30 15:59:51,664 INFO  
org.apache.flink.runtime.resourcemanager.StandaloneResourceManager  - 
Registered job manager 
00000000000000000000000000000...@akka.tcp://flink@localhost:6123/user/jobmanager_0
 for job 7cde77256615ceb13a1e74010af21c49.
2019-10-30 15:59:51,670 INFO  org.apache.flink.runtime.jobmaster.JobMaster      
            - JobManager successfully registered at ResourceManager, leader id: 
00000000000000000000000000000000.
2019-10-30 15:59:51,671 INFO  
org.apache.flink.runtime.jobmaster.slotpool.SlotPoolImpl      - Requesting new 
slot [SlotRequestId{60266822abf4236d8e336ced6ccb93c1}] and profile 
ResourceProfile{cpuCores=-1.0, heapMemoryInMB=-1, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0} from resource manager.
2019-10-30 15:59:51,675 INFO  
org.apache.flink.runtime.resourcemanager.StandaloneResourceManager  - Request 
slot with profile ResourceProfile{cpuCores=-1.0, heapMemoryInMB=-1, 
directMemoryInMB=0, nativeMemoryInMB=0, networkMemoryInMB=0} for job 
7cde77256615ceb13a1e74010af21c49 with allocation id 
3618194b1249b0a728ed674b7ddb0e6d.
2019-10-30 15:59:51,840 INFO  
org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source: Custom 
File Source (1/1) (d50e407f6c4eb1a68684062a4f07517b) switched from SCHEDULED to 
DEPLOYING.
2019-10-30 15:59:51,841 INFO  
org.apache.flink.runtime.executiongraph.ExecutionGraph        - Deploying 
Source: Custom File Source (1/1) (attempt #0) to 
5e3d3f309eedf96ec861de138c26e0ac @ xxx.inet.tu-berlin.de (dataPort=32991)
2019-10-30 15:59:51,850 INFO  
org.apache.flink.runtime.executiongraph.ExecutionGraph        - Split Reader: 
Custom File Source -> Flat Map (1/1) (6a17c410c3e36f524bb774d2dffed4a4) 
switched from SCHEDULED to DEPLOYING.
2019-10-30 15:59:51,851 INFO  
org.apache.flink.runtime.executiongraph.ExecutionGraph        - Deploying Split 
Reader: Custom File Source -> Flat Map (1/1) (attempt #0) to 
5e3d3f309eedf96ec861de138c26e0ac @ xxx.inet.tu-berlin.de (dataPort=32991)
2019-10-30 15:59:51,859 INFO  
org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed 
Aggregation -> Sink: Print to Std. Out (1/1) (016f9ff69941a26f8e2c4664cadc6b43) 
switched from SCHEDULED to DEPLOYING.
2019-10-30 15:59:51,860 INFO  
org.apache.flink.runtime.executiongraph.ExecutionGraph        - Deploying Keyed 
Aggregation -> Sink: Print to Std. Out (1/1) (attempt #0) to 
5e3d3f309eedf96ec861de138c26e0ac @ xxx.inet.tu-berlin.de (dataPort=32991)
2019-10-30 15:59:52,091 INFO  
org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed 
Aggregation -> Sink: Print to Std. Out (1/1) (016f9ff69941a26f8e2c4664cadc6b43) 
switched from DEPLOYING to RUNNING.
2019-10-30 15:59:52,104 INFO  
org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source: Custom 
File Source (1/1) (d50e407f6c4eb1a68684062a4f07517b) switched from DEPLOYING to 
RUNNING.
2019-10-30 15:59:52,129 INFO  
org.apache.flink.runtime.executiongraph.ExecutionGraph        - Split Reader: 
Custom File Source -> Flat Map (1/1) (6a17c410c3e36f524bb774d2dffed4a4) 
switched from DEPLOYING to RUNNING.
2019-10-30 15:59:52,679 INFO  
org.apache.flink.runtime.executiongraph.ExecutionGraph        - Source: Custom 
File Source (1/1) (d50e407f6c4eb1a68684062a4f07517b) switched from RUNNING to 
FINISHED.
2019-10-30 17:45:10,950 INFO  
org.apache.flink.runtime.executiongraph.ExecutionGraph        - Split Reader: 
Custom File Source -> Flat Map (1/1) (6a17c410c3e36f524bb774d2dffed4a4) 
switched from RUNNING to FINISHED.
2019-10-30 17:45:11,207 INFO  
org.apache.flink.runtime.executiongraph.ExecutionGraph        - Keyed 
Aggregation -> Sink: Print to Std. Out (1/1) (016f9ff69941a26f8e2c4664cadc6b43) 
switched from RUNNING to FINISHED.
2019-10-30 17:45:11,211 INFO  
org.apache.flink.runtime.executiongraph.ExecutionGraph        - Job Streaming 
WordCount (7cde77256615ceb13a1e74010af21c49) switched from state RUNNING to 
FINISHED.
2019-10-30 17:45:11,211 INFO  
org.apache.flink.runtime.checkpoint.CheckpointCoordinator     - Stopping 
checkpoint coordinator for job 7cde77256615ceb13a1e74010af21c49.
2019-10-30 17:45:11,211 INFO  
org.apache.flink.runtime.checkpoint.StandaloneCompletedCheckpointStore  - 
Shutting down
2019-10-30 17:45:11,224 INFO  
org.apache.flink.runtime.dispatcher.StandaloneDispatcher      - Job 
7cde77256615ceb13a1e74010af21c49 reached globally terminal state FINISHED.
2019-10-30 17:45:11,244 INFO  org.apache.flink.runtime.jobmaster.JobMaster      
            - Stopping the JobMaster for job Streaming 
WordCount(7cde77256615ceb13a1e74010af21c49).
2019-10-30 17:45:11,256 INFO  
org.apache.flink.runtime.jobmaster.slotpool.SlotPoolImpl      - Suspending 
SlotPool.
2019-10-30 17:45:11,258 INFO  org.apache.flink.runtime.jobmaster.JobMaster      
            - Close ResourceManager connection 
6e522eb1e64f2d40e170960440b3e774: JobManager is shutting down..
2019-10-30 17:45:11,258 INFO  
org.apache.flink.runtime.jobmaster.slotpool.SlotPoolImpl      - Stopping 
SlotPool.
2019-10-30 17:45:11,259 INFO  
org.apache.flink.runtime.resourcemanager.StandaloneResourceManager  - 
Disconnect job manager 
00000000000000000000000000000...@akka.tcp://flink@localhost:6123/user/jobmanager_0
 for job 7cde77256615ceb13a1e74010af21c49 from the resource manager.
2019-10-30 17:45:11,263 INFO  
org.apache.flink.runtime.jobmaster.JobManagerRunner           - 
JobManagerRunner already shutdown.
2019-10-30 15:59:39,607 INFO  
org.apache.flink.runtime.taskexecutor.TaskManagerRunner       - 
--------------------------------------------------------------------------------
2019-10-30 15:59:39,611 INFO  
org.apache.flink.runtime.taskexecutor.TaskManagerRunner       -  Starting 
TaskManager (Version: 1.8.2, Rev:6322618, Date:04.09.2019 @ 22:07:41 CST)
2019-10-30 15:59:39,611 INFO  
org.apache.flink.runtime.taskexecutor.TaskManagerRunner       -  OS current 
user: xxx
2019-10-30 15:59:39,613 INFO  
org.apache.flink.runtime.taskexecutor.TaskManagerRunner       -  Current 
Hadoop/Kerberos user: <no hadoop dependency found>
2019-10-30 15:59:39,613 INFO  
org.apache.flink.runtime.taskexecutor.TaskManagerRunner       -  JVM: OpenJDK 
64-Bit Server VM - AdoptOpenJDK - 1.8/25.232-b09
2019-10-30 15:59:39,613 INFO  
org.apache.flink.runtime.taskexecutor.TaskManagerRunner       -  Maximum heap 
size: 23976 MiBytes
2019-10-30 15:59:39,614 INFO  
org.apache.flink.runtime.taskexecutor.TaskManagerRunner       -  JAVA_HOME: 
/usr/lib/jvm/adoptopenjdk-8-hotspot-amd64/
2019-10-30 15:59:39,614 INFO  
org.apache.flink.runtime.taskexecutor.TaskManagerRunner       -  No Hadoop 
Dependency available
2019-10-30 15:59:39,615 INFO  
org.apache.flink.runtime.taskexecutor.TaskManagerRunner       -  JVM Options:
2019-10-30 15:59:39,615 INFO  
org.apache.flink.runtime.taskexecutor.TaskManagerRunner       -     -XX:+UseG1GC
2019-10-30 15:59:39,615 INFO  
org.apache.flink.runtime.taskexecutor.TaskManagerRunner       -     -Xms23976M
2019-10-30 15:59:39,616 INFO  
org.apache.flink.runtime.taskexecutor.TaskManagerRunner       -     -Xmx23976M
2019-10-30 15:59:39,616 INFO  
org.apache.flink.runtime.taskexecutor.TaskManagerRunner       -     
-XX:MaxDirectMemorySize=8388607T
2019-10-30 15:59:39,616 INFO  
org.apache.flink.runtime.taskexecutor.TaskManagerRunner       -     
-Dlog.file=/home/xxx/flink-1.8.2/log/flink-xxx-taskexecutor-0-xxx.log
2019-10-30 15:59:39,617 INFO  
org.apache.flink.runtime.taskexecutor.TaskManagerRunner       -     
-Dlog4j.configuration=file:/home/xxx/flink-1.8.2/conf/log4j.properties
2019-10-30 15:59:39,617 INFO  
org.apache.flink.runtime.taskexecutor.TaskManagerRunner       -     
-Dlogback.configurationFile=file:/home/xxx/flink-1.8.2/conf/logback.xml
2019-10-30 15:59:39,617 INFO  
org.apache.flink.runtime.taskexecutor.TaskManagerRunner       -  Program 
Arguments:
2019-10-30 15:59:39,618 INFO  
org.apache.flink.runtime.taskexecutor.TaskManagerRunner       -     --configDir
2019-10-30 15:59:39,618 INFO  
org.apache.flink.runtime.taskexecutor.TaskManagerRunner       -     
/home/xxx/flink-1.8.2/conf
2019-10-30 15:59:39,618 INFO  
org.apache.flink.runtime.taskexecutor.TaskManagerRunner       -  Classpath: 
/home/xxx/flink-1.8.2/lib/log4j-1.2.17.jar:/home/xxx/flink-1.8.2/lib/slf4j-log4j12-1.7.15.jar:/home/xxx/flink-1.8.2/lib/flink-dist_2.12-1.8.2.jar:::
2019-10-30 15:59:39,619 INFO  
org.apache.flink.runtime.taskexecutor.TaskManagerRunner       - 
--------------------------------------------------------------------------------
2019-10-30 15:59:39,622 INFO  
org.apache.flink.runtime.taskexecutor.TaskManagerRunner       - Registered UNIX 
signal handlers for [TERM, HUP, INT]
2019-10-30 15:59:39,632 INFO  
org.apache.flink.runtime.taskexecutor.TaskManagerRunner       - Maximum number 
of open file descriptors is 1048576.
2019-10-30 15:59:39,665 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: jobmanager.rpc.address, localhost
2019-10-30 15:59:39,666 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: jobmanager.rpc.port, 6123
2019-10-30 15:59:39,666 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: jobmanager.heap.size, 25000m
2019-10-30 15:59:39,667 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: taskmanager.heap.size, 25000m
2019-10-30 15:59:39,667 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: taskmanager.numberOfTaskSlots, 1
2019-10-30 15:59:39,668 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: parallelism.default, 1
2019-10-30 15:59:39,689 INFO  org.apache.flink.core.fs.FileSystem               
            - Hadoop is not in the classpath/dependencies. The extended set of 
supported File Systems via Hadoop is not available.
2019-10-30 15:59:39,932 INFO  
org.apache.flink.runtime.security.modules.HadoopModuleFactory  - Cannot create 
Hadoop Security Module because Hadoop cannot be found in the Classpath.
2019-10-30 15:59:39,989 INFO  org.apache.flink.runtime.security.SecurityUtils   
            - Cannot install HadoopSecurityContext because Hadoop cannot be 
found in the Classpath.
2019-10-30 15:59:41,289 INFO  org.apache.flink.configuration.Configuration      
            - Config uses fallback configuration key 'jobmanager.rpc.address' 
instead of key 'rest.address'
2019-10-30 15:59:41,304 INFO  
org.apache.flink.runtime.util.LeaderRetrievalUtils            - Trying to 
select the network interface and address to use by connecting to the leading 
JobManager.
2019-10-30 15:59:41,305 INFO  
org.apache.flink.runtime.util.LeaderRetrievalUtils            - TaskManager 
will try to connect for 10000 milliseconds before falling back to heuristics
2019-10-30 15:59:41,315 INFO  org.apache.flink.runtime.net.ConnectionUtils      
            - Retrieved new target address localhost/127.0.0.1:6123.
2019-10-30 15:59:42,114 INFO  org.apache.flink.runtime.net.ConnectionUtils      
            - Trying to connect to address localhost/127.0.0.1:6123
2019-10-30 15:59:42,115 INFO  
org.apache.flink.runtime.taskexecutor.TaskManagerRunner       - TaskManager 
will use hostname/address 'xxx' (130.149.221.178) for communication.
2019-10-30 15:59:42,123 INFO  
org.apache.flink.runtime.rpc.akka.AkkaRpcServiceUtils         - Trying to start 
actor system at 130.149.221.178:0
2019-10-30 15:59:43,212 INFO  akka.event.slf4j.Slf4jLogger                      
            - Slf4jLogger started
2019-10-30 15:59:43,351 INFO  akka.remote.Remoting                              
            - Starting remoting
2019-10-30 15:59:43,742 INFO  akka.remote.Remoting                              
            - Remoting started; listening on addresses 
:[akka.tcp://flink@130.149.221.178:34019]
2019-10-30 15:59:43,778 INFO  
org.apache.flink.runtime.rpc.akka.AkkaRpcServiceUtils         - Actor system 
started at akka.tcp://flink@130.149.221.178:34019
2019-10-30 15:59:43,788 INFO  
org.apache.flink.runtime.taskexecutor.TaskManagerRunner       - Trying to start 
actor system at 130.149.221.178:0
2019-10-30 15:59:43,830 INFO  akka.event.slf4j.Slf4jLogger                      
            - Slf4jLogger started
2019-10-30 15:59:43,851 INFO  akka.remote.Remoting                              
            - Starting remoting
2019-10-30 15:59:43,879 INFO  akka.remote.Remoting                              
            - Remoting started; listening on addresses 
:[akka.tcp://flink-metrics@130.149.221.178:40759]
2019-10-30 15:59:43,883 INFO  
org.apache.flink.runtime.taskexecutor.TaskManagerRunner       - Actor system 
started at akka.tcp://flink-metrics@130.149.221.178:40759
2019-10-30 15:59:43,902 INFO  
org.apache.flink.runtime.metrics.MetricRegistryImpl           - No metrics 
reporter configured, no metrics will be exposed/reported.
2019-10-30 15:59:43,914 INFO  org.apache.flink.runtime.blob.PermanentBlobCache  
            - Created BLOB cache storage directory 
/tmp/blobStore-bcad8dce-1395-4f4b-b829-ec466d3f11f6
2019-10-30 15:59:43,920 INFO  org.apache.flink.runtime.blob.TransientBlobCache  
            - Created BLOB cache storage directory 
/tmp/blobStore-eaf11d9b-57b5-4d80-9ae5-ef604a691f61
2019-10-30 15:59:43,921 INFO  
org.apache.flink.runtime.taskexecutor.TaskManagerRunner       - Starting 
TaskManager with ResourceID: 5e3d3f309eedf96ec861de138c26e0ac
2019-10-30 15:59:43,929 INFO  
org.apache.flink.runtime.io.network.netty.NettyConfig         - NettyConfig 
[server address: /130.149.221.178, server port: 0, ssl enabled: false, memory 
segment size (bytes): 32768, transport type: NIO, number of server threads: 1 
(manual), number of client threads: 1 (manual), server connect backlog: 0 (use 
Netty's default), client connect timeout (sec): 120, send/receive buffer size 
(bytes): 0 (use Netty's default)]
2019-10-30 15:59:44,276 INFO  
org.apache.flink.runtime.taskexecutor.TaskManagerServices     - Temporary file 
directory '/tmp': total 15 GB, usable 9 GB (60.00% usable)
2019-10-30 15:59:45,959 INFO  
org.apache.flink.runtime.io.network.buffer.NetworkBufferPool  - Allocated 1024 
MB for network buffer pool (number of memory segments: 32768, bytes per 
segment: 32768).
2019-10-30 15:59:46,100 INFO  
org.apache.flink.runtime.io.network.NetworkEnvironment        - Starting the 
network environment and its components.
2019-10-30 15:59:46,188 INFO  
org.apache.flink.runtime.io.network.netty.NettyClient         - Successful 
initialization (took 85 ms).
2019-10-30 15:59:46,311 INFO  
org.apache.flink.runtime.io.network.netty.NettyServer         - Successful 
initialization (took 122 ms). Listening on SocketAddress /130.149.221.178:32991.
2019-10-30 15:59:46,314 INFO  
org.apache.flink.runtime.taskexecutor.TaskManagerServices     - Limiting 
managed memory to 0.7 of the currently free heap space (16776 MB), memory will 
be allocated lazily.
2019-10-30 15:59:46,323 INFO  
org.apache.flink.runtime.io.disk.iomanager.IOManager          - I/O manager 
uses directory /tmp/flink-io-8cc2a96b-c287-43ca-a15a-35a9e1677aaf for spill 
files.
2019-10-30 15:59:46,499 INFO  
org.apache.flink.runtime.taskexecutor.TaskManagerConfiguration  - Messages have 
a max timeout of 10000 ms
2019-10-30 15:59:46,523 INFO  org.apache.flink.runtime.rpc.akka.AkkaRpcService  
            - Starting RPC endpoint for 
org.apache.flink.runtime.taskexecutor.TaskExecutor at 
akka://flink/user/taskmanager_0 .
2019-10-30 15:59:46,566 INFO  
org.apache.flink.runtime.taskexecutor.JobLeaderService        - Start job 
leader service.
2019-10-30 15:59:46,569 INFO  org.apache.flink.runtime.filecache.FileCache      
            - User file cache uses directory 
/tmp/flink-dist-cache-e2ec412f-de7b-489e-87c2-99c0f84c4a7f
2019-10-30 15:59:46,574 INFO  
org.apache.flink.runtime.taskexecutor.TaskExecutor            - Connecting to 
ResourceManager 
akka.tcp://flink@localhost:6123/user/resourcemanager(00000000000000000000000000000000).
2019-10-30 15:59:47,094 INFO  
org.apache.flink.runtime.taskexecutor.TaskExecutor            - Resolved 
ResourceManager address, beginning registration
2019-10-30 15:59:47,095 INFO  
org.apache.flink.runtime.taskexecutor.TaskExecutor            - Registration at 
ResourceManager attempt 1 (timeout=100ms)
2019-10-30 15:59:47,234 INFO  
org.apache.flink.runtime.taskexecutor.TaskExecutor            - Registration at 
ResourceManager attempt 2 (timeout=200ms)
2019-10-30 15:59:47,290 INFO  
org.apache.flink.runtime.taskexecutor.TaskExecutor            - Successful 
registration at resource manager 
akka.tcp://flink@localhost:6123/user/resourcemanager under registration id 
e874a07bfe07800ddedfdaa12cc78d96.
2019-10-30 15:59:51,697 INFO  
org.apache.flink.runtime.taskexecutor.TaskExecutor            - Receive slot 
request 3618194b1249b0a728ed674b7ddb0e6d for job 
7cde77256615ceb13a1e74010af21c49 from resource manager with leader id 
00000000000000000000000000000000.
2019-10-30 15:59:51,699 INFO  
org.apache.flink.runtime.taskexecutor.TaskExecutor            - Allocated slot 
for 3618194b1249b0a728ed674b7ddb0e6d.
2019-10-30 15:59:51,700 INFO  
org.apache.flink.runtime.taskexecutor.JobLeaderService        - Add job 
7cde77256615ceb13a1e74010af21c49 for job leader monitoring.
2019-10-30 15:59:51,705 INFO  
org.apache.flink.runtime.taskexecutor.JobLeaderService        - Try to register 
at job manager akka.tcp://flink@localhost:6123/user/jobmanager_0 with leader id 
00000000-0000-0000-0000-000000000000.
2019-10-30 15:59:51,747 INFO  
org.apache.flink.runtime.taskexecutor.JobLeaderService        - Resolved 
JobManager address, beginning registration
2019-10-30 15:59:51,748 INFO  
org.apache.flink.runtime.taskexecutor.JobLeaderService        - Registration at 
JobManager attempt 1 (timeout=100ms)
2019-10-30 15:59:51,803 INFO  
org.apache.flink.runtime.taskexecutor.JobLeaderService        - Successful 
registration at job manager akka.tcp://flink@localhost:6123/user/jobmanager_0 
for job 7cde77256615ceb13a1e74010af21c49.
2019-10-30 15:59:51,806 INFO  
org.apache.flink.runtime.taskexecutor.TaskExecutor            - Establish 
JobManager connection for job 7cde77256615ceb13a1e74010af21c49.
2019-10-30 15:59:51,813 INFO  
org.apache.flink.runtime.taskexecutor.TaskExecutor            - Offer reserved 
slots to the leader of job 7cde77256615ceb13a1e74010af21c49.
2019-10-30 15:59:51,946 INFO  
org.apache.flink.runtime.taskexecutor.TaskExecutor            - Received task 
Source: Custom File Source (1/1).
2019-10-30 15:59:51,948 INFO  
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable      - Activate slot 
3618194b1249b0a728ed674b7ddb0e6d.
2019-10-30 15:59:51,949 INFO  org.apache.flink.runtime.taskmanager.Task         
            - Source: Custom File Source (1/1) 
(d50e407f6c4eb1a68684062a4f07517b) switched from CREATED to DEPLOYING.
2019-10-30 15:59:51,950 INFO  org.apache.flink.runtime.taskmanager.Task         
            - Creating FileSystem stream leak safety net for task Source: 
Custom File Source (1/1) (d50e407f6c4eb1a68684062a4f07517b) [DEPLOYING]
2019-10-30 15:59:51,960 INFO  org.apache.flink.runtime.taskmanager.Task         
            - Loading JAR files for task Source: Custom File Source (1/1) 
(d50e407f6c4eb1a68684062a4f07517b) [DEPLOYING].
2019-10-30 15:59:51,967 INFO  org.apache.flink.runtime.blob.BlobClient          
            - Downloading 
7cde77256615ceb13a1e74010af21c49/p-69c1a4c798e039a06e42affd705b3a263014e46d-a9b6a34c16bbefdb0e0a3864cb609a87
 from localhost/127.0.0.1:42005
2019-10-30 15:59:51,983 INFO  
org.apache.flink.runtime.taskexecutor.TaskExecutor            - Received task 
Keyed Aggregation -> Sink: Print to Std. Out (1/1).
2019-10-30 15:59:51,985 INFO  org.apache.flink.runtime.taskmanager.Task         
            - Keyed Aggregation -> Sink: Print to Std. Out (1/1) 
(016f9ff69941a26f8e2c4664cadc6b43) switched from CREATED to DEPLOYING.
2019-10-30 15:59:51,988 INFO  org.apache.flink.runtime.taskmanager.Task         
            - Creating FileSystem stream leak safety net for task Keyed 
Aggregation -> Sink: Print to Std. Out (1/1) (016f9ff69941a26f8e2c4664cadc6b43) 
[DEPLOYING]
2019-10-30 15:59:51,991 INFO  org.apache.flink.runtime.taskmanager.Task         
            - Loading JAR files for task Keyed Aggregation -> Sink: Print to 
Std. Out (1/1) (016f9ff69941a26f8e2c4664cadc6b43) [DEPLOYING].
2019-10-30 15:59:52,000 INFO  
org.apache.flink.runtime.taskexecutor.TaskExecutor            - Received task 
Split Reader: Custom File Source -> Flat Map (1/1).
2019-10-30 15:59:52,004 INFO  org.apache.flink.runtime.taskmanager.Task         
            - Split Reader: Custom File Source -> Flat Map (1/1) 
(6a17c410c3e36f524bb774d2dffed4a4) switched from CREATED to DEPLOYING.
2019-10-30 15:59:52,006 INFO  org.apache.flink.runtime.taskmanager.Task         
            - Creating FileSystem stream leak safety net for task Split Reader: 
Custom File Source -> Flat Map (1/1) (6a17c410c3e36f524bb774d2dffed4a4) 
[DEPLOYING]
2019-10-30 15:59:52,006 INFO  org.apache.flink.runtime.taskmanager.Task         
            - Loading JAR files for task Split Reader: Custom File Source -> 
Flat Map (1/1) (6a17c410c3e36f524bb774d2dffed4a4) [DEPLOYING].
2019-10-30 15:59:52,032 INFO  org.apache.flink.runtime.taskmanager.Task         
            - Registering task at network: Keyed Aggregation -> Sink: Print to 
Std. Out (1/1) (016f9ff69941a26f8e2c4664cadc6b43) [DEPLOYING].
2019-10-30 15:59:52,032 INFO  org.apache.flink.runtime.taskmanager.Task         
            - Registering task at network: Split Reader: Custom File Source -> 
Flat Map (1/1) (6a17c410c3e36f524bb774d2dffed4a4) [DEPLOYING].
2019-10-30 15:59:52,032 INFO  org.apache.flink.runtime.taskmanager.Task         
            - Registering task at network: Source: Custom File Source (1/1) 
(d50e407f6c4eb1a68684062a4f07517b) [DEPLOYING].
2019-10-30 15:59:52,078 INFO  org.apache.flink.runtime.taskmanager.Task         
            - Keyed Aggregation -> Sink: Print to Std. Out (1/1) 
(016f9ff69941a26f8e2c4664cadc6b43) switched from DEPLOYING to RUNNING.
2019-10-30 15:59:52,095 INFO  org.apache.flink.runtime.taskmanager.Task         
            - Source: Custom File Source (1/1) 
(d50e407f6c4eb1a68684062a4f07517b) switched from DEPLOYING to RUNNING.
2019-10-30 15:59:52,100 INFO  
org.apache.flink.streaming.runtime.tasks.StreamTask           - No state 
backend has been configured, using default (Memory / JobManager) 
MemoryStateBackend (data in heap memory / checkpoints to JobManager) 
(checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 
5242880)
2019-10-30 15:59:52,100 INFO  
org.apache.flink.streaming.runtime.tasks.StreamTask           - No state 
backend has been configured, using default (Memory / JobManager) 
MemoryStateBackend (data in heap memory / checkpoints to JobManager) 
(checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 
5242880)
2019-10-30 15:59:52,122 INFO  org.apache.flink.runtime.taskmanager.Task         
            - Split Reader: Custom File Source -> Flat Map (1/1) 
(6a17c410c3e36f524bb774d2dffed4a4) switched from DEPLOYING to RUNNING.
2019-10-30 15:59:52,123 INFO  
org.apache.flink.streaming.runtime.tasks.StreamTask           - No state 
backend has been configured, using default (Memory / JobManager) 
MemoryStateBackend (data in heap memory / checkpoints to JobManager) 
(checkpoints: 'null', savepoints: 'null', asynchronous: TRUE, maxStateSize: 
5242880)
2019-10-30 15:59:52,168 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: jobmanager.rpc.address, localhost
2019-10-30 15:59:52,169 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: jobmanager.rpc.port, 6123
2019-10-30 15:59:52,169 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: jobmanager.heap.size, 25000m
2019-10-30 15:59:52,170 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: taskmanager.heap.size, 25000m
2019-10-30 15:59:52,170 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: taskmanager.numberOfTaskSlots, 1
2019-10-30 15:59:52,170 INFO  
org.apache.flink.configuration.GlobalConfiguration            - Loading 
configuration property: parallelism.default, 1
2019-10-30 15:59:52,290 INFO  
org.apache.flink.streaming.api.functions.source.ContinuousFileMonitoringFunction
  - No state to restore for the ContinuousFileMonitoringFunction.
2019-10-30 15:59:52,291 INFO  
org.apache.flink.streaming.api.functions.source.ContinuousFileReaderOperator  - 
No state to restore for the ContinuousFileReaderOperator (taskIdx=0).
2019-10-30 15:59:52,302 INFO  
org.apache.flink.streaming.api.functions.source.ContinuousFileMonitoringFunction
  - Forwarding split: [0] file:/home/xxx/test.txt mod@ 1570712020000 : 0 + 
2104576302
2019-10-30 15:59:52,313 INFO  
org.apache.flink.runtime.state.heap.HeapKeyedStateBackend     - Initializing 
heap keyed state backend with stream factory.
2019-10-30 15:59:52,639 INFO  org.apache.flink.runtime.taskmanager.Task         
            - Source: Custom File Source (1/1) 
(d50e407f6c4eb1a68684062a4f07517b) switched from RUNNING to FINISHED.
2019-10-30 15:59:52,639 INFO  org.apache.flink.runtime.taskmanager.Task         
            - Freeing task resources for Source: Custom File Source (1/1) 
(d50e407f6c4eb1a68684062a4f07517b).
2019-10-30 15:59:52,644 INFO  org.apache.flink.runtime.taskmanager.Task         
            - Ensuring all FileSystem streams are closed for task Source: 
Custom File Source (1/1) (d50e407f6c4eb1a68684062a4f07517b) [FINISHED]
2019-10-30 15:59:52,647 INFO  
org.apache.flink.runtime.taskexecutor.TaskExecutor            - Un-registering 
task and sending final execution state FINISHED to JobManager for task Source: 
Custom File Source d50e407f6c4eb1a68684062a4f07517b.
2019-10-30 17:45:10,943 INFO  org.apache.flink.runtime.taskmanager.Task         
            - Split Reader: Custom File Source -> Flat Map (1/1) 
(6a17c410c3e36f524bb774d2dffed4a4) switched from RUNNING to FINISHED.
2019-10-30 17:45:10,943 INFO  org.apache.flink.runtime.taskmanager.Task         
            - Freeing task resources for Split Reader: Custom File Source -> 
Flat Map (1/1) (6a17c410c3e36f524bb774d2dffed4a4).
2019-10-30 17:45:10,944 INFO  org.apache.flink.runtime.taskmanager.Task         
            - Ensuring all FileSystem streams are closed for task Split Reader: 
Custom File Source -> Flat Map (1/1) (6a17c410c3e36f524bb774d2dffed4a4) 
[FINISHED]
2019-10-30 17:45:10,945 INFO  
org.apache.flink.runtime.taskexecutor.TaskExecutor            - Un-registering 
task and sending final execution state FINISHED to JobManager for task Split 
Reader: Custom File Source -> Flat Map 6a17c410c3e36f524bb774d2dffed4a4.
2019-10-30 17:45:11,199 INFO  org.apache.flink.runtime.taskmanager.Task         
            - Keyed Aggregation -> Sink: Print to Std. Out (1/1) 
(016f9ff69941a26f8e2c4664cadc6b43) switched from RUNNING to FINISHED.
2019-10-30 17:45:11,199 INFO  org.apache.flink.runtime.taskmanager.Task         
            - Freeing task resources for Keyed Aggregation -> Sink: Print to 
Std. Out (1/1) (016f9ff69941a26f8e2c4664cadc6b43).
2019-10-30 17:45:11,202 INFO  org.apache.flink.runtime.taskmanager.Task         
            - Ensuring all FileSystem streams are closed for task Keyed 
Aggregation -> Sink: Print to Std. Out (1/1) (016f9ff69941a26f8e2c4664cadc6b43) 
[FINISHED]
2019-10-30 17:45:11,202 INFO  
org.apache.flink.runtime.taskexecutor.TaskExecutor            - Un-registering 
task and sending final execution state FINISHED to JobManager for task Keyed 
Aggregation -> Sink: Print to Std. Out 016f9ff69941a26f8e2c4664cadc6b43.
2019-10-30 17:45:11,260 INFO  
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable      - Free slot 
TaskSlot(index:0, state:ACTIVE, resource profile: 
ResourceProfile{cpuCores=1.7976931348623157E308, heapMemoryInMB=2147483647, 
directMemoryInMB=2147483647, nativeMemoryInMB=2147483647, 
networkMemoryInMB=2147483647}, allocationId: 3618194b1249b0a728ed674b7ddb0e6d, 
jobId: 7cde77256615ceb13a1e74010af21c49).
2019-10-30 17:45:11,261 INFO  
org.apache.flink.runtime.taskexecutor.JobLeaderService        - Remove job 
7cde77256615ceb13a1e74010af21c49 from job leader monitoring.
2019-10-30 17:45:11,261 INFO  
org.apache.flink.runtime.taskexecutor.TaskExecutor            - Close 
JobManager connection for job 7cde77256615ceb13a1e74010af21c49.
2019-10-30 17:45:11,268 INFO  
org.apache.flink.runtime.taskexecutor.TaskExecutor            - Close 
JobManager connection for job 7cde77256615ceb13a1e74010af21c49.
2019-10-30 17:45:11,270 INFO  
org.apache.flink.runtime.taskexecutor.JobLeaderService        - Cannot 
reconnect to job 7cde77256615ceb13a1e74010af21c49 because it is not registered.

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